package com.wkr.leetcode;

/**
 * @author: wukangrong
 * @date: 2021/1/25 16:06
 * @description: 链表节点
 */
public class ListNode {
    int val;
    ListNode next;
    ListNode() {}
    ListNode(int val) { this.val = val; }
    ListNode(int val, ListNode next) { this.val = val; this.next = next; }

    @Override
    public String toString() {
        return val + "->" + next;
    }
}